本文通过给定的训练模式为例来推导bp网络学习的算法，并用(语言编程实现，运行程序给出学习误差曲线，最后指出实际应用中BP网络学习存 在的缺点并提出几点改进方案。 -In this paper, given as an example to the training model is derived bp network learning algorithm, and use (programming language, run the program gives error learni